<template>
	<view class="cart-container" v-if="cart.length !== 0">
		<!-- 收获地址组件 -->
		<my-address></my-address>
		
		<view class="cart-title">
			<uni-icons type="shop" size="18"></uni-icons>
			<text class="cart-title-text">购物车</text>
		</view>

		<uni-swipe-action>
			<view v-for="(goods, i) in cart" :key="i">
				<uni-swipe-action-item :right-options="options" @click="swiperItemClickHandler(goods)">
					<my-goods :goods="goods" :showRadio="true" :showNum="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
				</uni-swipe-action-item>
			</view>
		</uni-swipe-action>
		
		<my-settle></my-settle>
	</view>
	
	<view class="empty-cart" v-else>
		<image src="../../static/cart_empty@2x.png" class="empty-img"></image>
		<text class="tip-text">空空如也~~~</text>
	</view>
	
</template>

<script>
	import badeMix from '@/mixins/taber-badge.js'
	import { mapState, mapMutations } from 'vuex'
	
	export default {
		mixins: [badeMix],
		data() {
			return {
				options: [
					{
						text: '删除', // 显示的文本内容
						style: {
							backgroundColor: '#C00000' // 按钮的背景颜色
						}
					},
				],
			}
		},
		computed: {
			...mapState('m_cart', ['cart'])
		},
		methods: {
			...mapMutations('m_cart', ['updateGoodsStatus', 'updateGoodsCount', 'removeGoodsById']),
			radioChangeHandler(e) {
				this.updateGoodsStatus(e)
			},
			// 商品的数量发生了变化
			numberChangeHandler(e) {
				this.updateGoodsCount(e)
			},
			//删除购物车数据
			//点击这里删除会执行两次，因为bindingx.js和mpwxs.js同时执行 this.$emit
			//解决： return 后面的 endif 移动到后面
			swiperItemClickHandler(goods) {
				// console.log(goods)
				this.removeGoodsById(goods.goods_id)
			}
			
		}
	}
</script>

<style lang="scss">
	.cart-container{
		padding-bottom: 50px;
	}
	.cart-title {
	  height: 40px;
	  display: flex;
	  align-items: center;
	  font-size: 14px;
	  padding-left: 5px;
	  border-bottom: 1px solid #efefef;
	  .cart-title-text {
		margin-left: 10px;
	  }
	}
	.empty-cart{
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		padding-top: 150px;
		.empty-img{
			width: 90px;
			height: 90px;
		}
		.tip-text{
			margin-top: 20px;
			font-size: 12px;
		}
	}
</style>
